First you have to have the absolute value isolated so the 2 has to be divided. Then set up the two cases and solve.
So 15%=15/100=3/20 so
80=3/20 of a number
multiply both sides by 20/3 to clear fraction
1600/3=a number
533.33
te number is 533.3333333
Not a complete question please send a picture of your problem.
Answer:


Step-by-step explanation:


z is subtracted from w so

Magnitude is given by

The magnitude of the resulting vector is approximately
.
The angle is

The direction is approximately 